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A New Office Building for Proffer Surgical Associates Amarillo, Texas SECTION 02205 – SOIL MATERIALS PART 1 GENERAL 1.1 ...

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A New Office Building for Proffer Surgical Associates Amarillo, Texas SECTION 02205 – SOIL MATERIALS PART 1 GENERAL 1.1

1.2

1.3

1.4

SECTION INCLUDES A.

Subsoil materials.

B.

Topsoil materials.

RELATED SECTIONS A.

Section 02207 – Aggregate Materials.

B.

Section 02225 – Excavation, Backfill, and Compaction for Utilities.

REFERENCES A.

ASTM D698 – Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Stand Effort

B.

ASTM D2487 – Standard Classification of Soils for Engineering Purposes.

C.

ASTM D2922 – Standard Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth).

D.

ASTM D3017 – Standard Test Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth).

QUALITY ASSURANCE Perform the w ork in accordance w ith plans and specifications.

1.5

SUBMITTALS A.

Submittals shall be in accordance w ith Section 01300 – Submittals.

B.

Submit sources of materials.

C.

Submit sieve analysis of each material to e used if requested by the Engineer.

D.

Submit a 10 lb. Sample of each material to the testing laboratory in an airtight container if requested by the Engineer.

PART 2 PRODUCTS 2.1

SOIL MATERIALS A.

Soil Type S1 – Subgrade 1.

Subgrade material is material remaining in place after excavation.

2.

Subgrade material shall be suitable for pipe subgrade. It shall be undisturbed.

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B.

C.

Where subgrade soils are soft, loose, or otherw ise unsatisfactory, the soil shall be removed and replaced w ith Aggregate Type A5 – Flexible Base in accordance w ith Section 02207 – Aggregate Materials. Areas to be replaced shall be as determined by the Engineer.

Soil Type S2 – Type 1 Common Fill 1.

Type 1 common fill shall be excavated and re-used material or borrow material approved by the Engineer.

2.

Type 1 common fill shall be graded free of lumps larger than three inches, rocks larger than tw o inches, excessive silts, and debris.

3.

Do not use soil containing brush, roots, or similar organic matter.

4.

Type 1 common fill shall conform to ASTM D2487 Class II or Class III soils w ith a liquid limit less than 40 and a plasticity index less than 20 but greater than four.

Soil Type S3 – Type 2 Common Fill Type 2 common fill shall be the same as Type 1 common fill except that it shall have no lumps or rocks greater than ¾ of an inch.

D.

E.

Soil Type S4 – Select Fill 1.

Select fill shall be imported borrow material from a borrow area approved by the Engineer. If requested by the Engineer, material shall be tested for compliance by the Contractor and test results submitted to the Engineer for approval. The first test on the material requested by the Ow ner shall be paid for by the Ow ner. Re-tests required because the material did not meet this specification or because of a change in the source of the material shall be paid for by the Contractor.

2.

Select fill shall be clayey sand soils free from organic matter w ith no lumps larger than one inch, no rocks larger than ½ inch, and no excessive silts.

3.

Do not use soils containing brush, roots, sod, or other organic materials.

4.

Select fill shall conform to ASTM D2487 Class II or Class III and shall have a liquid limit less than 45 w ith a plasticity index less than 15.

Soil Type S5 – Topsoil 1.

Topsoil shall be soil suitable for grow th of surface cover. Material shall be stripped and stockpiled from the site or borrow ed from offsite.

2.

Topsoil shall be free from roots, brush, rocks, and other extraneous matter exceeding one inch in any direction. Topsoil shall be free from w eeds.

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3.

Topsoil shall be minimum 60% sand, maximum 30% silts, maximum 10% clay, and no less than 6% and no more than 20% organic matter.

4.

If requested by the Engineer, submit test data show ing compliance w ith this specification. Include percent w eight of constituent material, material particle size, and pH.

SOURCE QUALITY CONTROL A.

Refer to Section 01400 – Quality Control.

B.

Perform testing and analysis of material in accordance w ith ASTM D698.

C.

If tests indicate materials do not meet specified requirements, change material and retest.

D.

Provide materials of each type from one source throughout the project. A change in source requires sampling and testing at the Contractor’ s expense and approval by the Engineer.

PART 3 EXECUTION 3.1

3.2

3.3

SOIL REMOVAL A.

Excavate soils from areas designated.

B.

Remove lumped soil, boulders, and rock.

C.

Excess material not intended for reuse shall be removed from the site.

STOCKPILING A.

Stockpile materials on site at locations designated by the Engineer.

B.

Stockpile in sufficient quantities to meet project schedule and requirements.

C.

Separate differing materials w ith dividers or stockpile apart to prevent mixing.

D.

Prevent intermixing and contamination of soil types.

E.

Direct surface w ater aw ay from the stockpile site to prevent erosion or deterioration of materials.

STOCKPILE CLEANUP A.

Remove the stockpile and leave the area in a clean and neat condition. Grade site surface to prevent freestanding surface w ater.

B.

If a borrow area is indicated, leave the area in a clean and neat condition. Grade site surface to prevent freestanding surface w ater. END OF SECTION

SOIL MATERIALS Prepared by KSA Engineers, Inc.

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A New Office Building for Proffer Surgical Associates Amarillo, Texas SECTION 02207 – AGGREGATE MATERIALS PART 1 GENERAL 1.1

SECTION INCLUDES Aggregate materials.

1.2

1.3

1.4

RELATED SECTIONS A.

Section 01300 – Submittals.

B.

Section 01400 – Quality Control.

C.

Section 02205 – Soil Materials.

D.

Section 02225 – Excavation, Backfill, and Compaction for Utilities.

E.

Section 02665 – Water Systems.

REFERENCES A.

ASTM C33 – Standard Specifications for Concrete Aggregates.

B.

ASTM C136 – Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates.

C.

ASTM D698 – Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Stand Effort.

D.

ASTM D2487 – Standard Classification of Soils for Engineering Purposes.

E.

ASTM D2922 –Standard Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth).

F.

ASTM D3017 – Standard Test Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth).

G.

ASTM D4318 – Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils.

H.

Texas Department of Transportation – Standard Specifications for Construction of Highw ays, Streets, and Bridges.

SUBMITTALS A.

Submittals shall be in accordance w ith Section 01300 – Submittals.

B.

Submit sources of materials.

C.

Submit a sieve analysis of each material to be used if requested by the Engineer.

D.

Submit a 10 lb. sample of each material to the testing laboratory in an airtight container if requested by the Engineer.

AGGREGATE MATERIALS Prepared by KSA Engineers, Inc.

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QUALITY ASSURANCE Perform w ork in accordance w ith plans, specifications, and the Ow ner’ s standards. PART 2 PRODUCTS

2.1

COARSE AGGREGATE MATERIALS A.

Aggregate Type A1 - Drain Rock 1.

Drain rock shall be clean, w ashed, sound, durable, w ell-graded crushed rock, crushed gravel, or natural stone gravel.

2.

Drain rock shall conform to ASTM C33 Size No. 3 coarse aggregate as show n in the follow ing table. Sieve Size 2 ½ in. 2 in. 1 ½ in. 1 in. ½ in.

B.

Aggregate Type A2 – Type 1 Pipe Embedment 1.

Type 1 pipe embedment shall be clean, w ashed, sound, durable, w ellgraded crushed rock, crushed gravel, or natural stone gravel.

2.

Type 1 pipe embedment shall conform to ASTM C33 Size No. 57 coarse aggregate as show n in the follow ing table. Sieve Size 1 ½ in. 1 in. ½ in. No. 4 No. 8

C.

Percent Passing (By Weight) 100 90-100 35-70 0-15 0-5

Percent Passing (By Weight) 100 95-100 25-60 0-10 0-5

Aggregate Type A3 – Type 2 Pipe Embedment Type 2 pipe embedment shall consist of a w ell-graded, angular, crushed rock w ith a maximum particle size of ¾ inch. No more than 10% of the material shall pass the No. 200 sieve.

D.

Aggregate Type A4 - Pea Gravel 1.

Pea gravel shall be natural gravel that is w ashed and free of clay, shale, and organic matter. It shall be graded in accordance w ith ASTM C136 to the follow ing limits:

2.

Minimum Size: 1/4 inch

3.

Maximum Size: 5/8 inch

AGGREGATE MATERIALS Prepared by KSA Engineers, Inc.

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2.2

Aggregate Type A5 – Flexible Base 1.

Flexible base material shall be crushed stone produced from oversize quarried aggregate, sized by crushing, and produced from a naturally occurring single source. Crushed gravel or uncrushed gravel shall not be acceptable. No blending of sources or additive materials w ill be allow ed in flexible base.

2.

Flexible base material shall conform to TxDOT Item No. 247 Type A Grade 2.

FINE AGGREGATE MATERIAL Aggregate Type A6 - Sand A.

Sand shall be natural river or bank sand that is free of silt, clay, loam, friable or soluble materials, and organic matter.

B.

Sand shall conform to the gradation show n in the follow ing table. Sieve Size No. 4 No. 16 No. 50 No. 100 No. 200

2.3

Percent Passing (By Weight) 100 80-100 20-60 10-40 0-10

SOURCE QUALITY CONTROL A.

Refer to Section 01400 – Quality Control.

B.

Perform testing and analysis of materials in accordance w ith ASTM C33 and ASTM D698.

C.

If tests indicate materials do not meet specified requirements, change material or material source and retest.

D.

Provide materials of each type from one source throughout the project. A change in source requires sampling and testing at the Contractor’ s expense and approval by the Engineer. PART 3 EXECUTION

3.1

STOCKPILING A.

Stockpile materials on site at locations designated by the Engineer.

B.

Stockpile in sufficient quantities to meet project schedule and requirements.

C.

Separate differing materials w ith dividers or stockpile apart to prevent mixing.

D.

Direct surface w ater aw ay from stockpile site so as to prevent erosion or deterioration of materials.

AGGREGATE MATERIALS Prepared by KSA Engineers, Inc.

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STOCKPILE CLEANUP A.

Remove the stockpile. Leave the area in a clean and neat condition. Grade the site to prevent freestanding surface w ater.

B.

If a borrow area is indicated, leave the area in a clean and neat condition. Grade the site to prevent freestanding surface w ater. END OF SECTION

AGGREGATE MATERIALS Prepared by KSA Engineers, Inc.

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A New Office Building for Proffer Surgical Associates Amarillo, Texas SECTION 02220 – TRENCH AND EXCAVATION SAFETY SYSTEM PART 1 GENERAL 1.1

SECTION INCLUDES Requirements for a trench and excavation safety system(s) to be designed and furnished by the Contractor for the safety and health of personnel.

1.2

1.3

REFERENCES A.

29CFR1926 - Occupational Safety and Health Standards - Excavations, United States Department of Labor, latest edition.

B.

Others - Other applicable federal, state, and local rules for trench construction or excavations.

REQUIREMENTS A.

The Contractor shall develop, design, and implement a trench and excavation safety system. The Contractor shall bear the sole responsibility for the adequacy of the system.

B.

The requirements of 29CFR1926 shall be the minimum requirements for this specification and are adopted as a part of this specification. Other regulations relating to trench and excavation safety shall also be considered a part of this specification as if referenced directly.

C.

Should the system require w ider trenches than show n, the Contractor shall be responsible for the costs associated w ith determining adequacy of pipe bedding and class, as w ell as purchase and installation of alternate and/or additional materials.

PART 2 PRODUCTS [Not Used] PART 3 EXECUTION 3.1

Implement the system in accordance w ith the w ritten system plan and conduct affected w ork in accordance w ith the same.

3.2

The system shall be in use during all phases of construction.

3.3

Neither the Engineer nor the Ow ner w ill be responsible for ensuring the trench safety system is constructed and utilized in accordance w ith the safety plan. This shall be the sole responsibility of the Contractor. END OF SECTION

TRENCH AND EXCAVATION SAFETY SYSTEM Prepared by KSA Engineers, Inc.

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A New Office Building for Proffer Surgical Associates Amarillo, Texas SECTION 02225 – EXCAVATION, BACKFILL, AND COMPACTION FOR UTILITIES PART 1 GENERAL 1.1

SECTION INCLUDES Excavation, backfill, and compaction for w ater distribution mains, sanitary sew ers, manholes, storm drains, junction boxes, inlets and other utility lines and appurtenances and the disposal of excess excavated material.

1.2

1.3

RELATED SECTIONS A.

Section 01025 – Measurement and Payment.

B.

Section 01041 – Job Management.

C.

Section 01400 – Quality Control.

D.

Section 02205 – Soil Materials.

E.

Section 02207 – Aggregate Materials.

F.

Section 02665 – Water Systems.

G.

Section 02732 – Sanitary Sew er Pipe.

H.

Section 03305 – Concrete.

REFERENCES A.

ASTM C33 – Standard Specifications for Concrete Aggregates.

B.

ASTM C136 – Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates.

C.

ASTM D698 – Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort.

D.

ASTM D2487 – Standard Classification of Soils for Engineering Purposes.

E.

ASTM D2922 – Standard Test Methods for Density of Soil and SoilAggregate in Place by Nuclear Methods (Shallow Depth).

F.

ASTM D3017 – Standard Test Methods for Water content of Soil and rock in Place by Nuclear Methods (Shallow Depth).

G.

ASTM D4253 –Vibratory Table Standard.

H.

ASTM D4254 – Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculations of Relative Density.

I.

ASTM D4318 – Standard Test Methods for Liquid Limit, Plastic Limit and Plasticity Index of Soils.

J.

OSHA – Occupational Safety and Health Administration and Related Regulations.

EXCAVATION, BACKFILL, AND COMPACTION FOR UTILITIES Prepared by KSA Engineers, Inc.

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1.4

1.5

K.

Any other testing required by these specifications and not specifically referenced to a standard shall be performed under ASTM or other appropriate standards as designated by the Engineer.

L.

Reference herein or on the draw ings to soil classifications shall be understood to be according to ASTM D2487, " Standard Classification of Soils for Engineering Purposes " unless indicated otherw ise.

QUALITY CONTROL A.

The Ow ner w ill arrange and pay for density and moisture testing. The testing frequency and methods shall be as requested by the Engineer. The Engineer may w aive testing requirements on cohesionless bedding w here testing is not practical because of limited space betw een the pipe and trench w alls, how ever, the minimum number of passes of the compaction equipment shall be achieved.

B.

Contractor shall pay for re-testing until acceptable test results are obtained.

DELIVERY, STORAGE AND HANDLING Excavated materials to be used for backfill may be deposited in stockpiles at points convenient for rehandling the material during the backfilling process. The location of stockpiles shall be w ithin the limits of construction easements or public right-ofw ay. The location of stockpiles is subject to the approval of the Ow ner or the Ow ner’ s representative. Keep drainage channels clear of stockpiled materials.

1.6

PROJECT CONDITIONS A.

B.

Protection 1.

Erect sheeting, shoring and bracing as necessary for protection of persons, improvements, existing structures, and excavations.

2.

Provide dew atering and drainage necessary to keep excavations free of w ater. a.

The dew atering system shall maintain the w ater level a minimum of three feet below the excavation.

b.

The Contractor shall provide and maintain all dew atering equipment during excavation, construction, backfill, and until utility is placed in service.

c.

The Contractor shall operate the dew atering system continuously w ithout interruption during w eekends and/or holidays.

Classification 1.

Excavations shall include material of w hatever nature encountered, including but not limited to clays, sands, gravels, conglomeritic boulders, shales, rock, debris, and abandoned existing structures. Excavation and trenching shall include the removal and subsequent handling of materials excavated or otherw ise handled in the performance of the w ork.

EXCAVATION, BACKFILL, AND COMPACTION FOR UTILITIES Prepared by KSA Engineers, Inc.

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